Strengthening the post production management of grain is of great significance to improve the quality of grain consumption and reduce the loss of grain quantity. According to the operation target, operation means, operation subject, operation process and other standards, this paper summarized grain postpartum management mode in China into four modes: revenue risk minimization, land output maximization, quality optimization and promotion, and “three chain collaborative” development. Through the comparative analysis of the advantages and disadvantages, scope of application and operation mechanism of the four modes, this paper provides a useful reference for the selection of grain postpartum management mode and helps the local grain industry economic development.